package thread;

import java.util.Scanner;

public class SleepDemo {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        //System.out.println("程序开始了...");
        System.out.println("请输入一个数字:");
        /*int num = scanner.nextInt();
        int i = 0;
        int time = 0;*/
        for (int num = scanner.nextInt(); num > 0; num--) {
            System.out.println(num);
            try {
                Thread.sleep(1000);

            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
        System.out.println("程序结束了！");

    }
}
